I'm not long from going to bed but I thought I'd re-issue fergieweathers info from earlier should you not have seen it. I would also add IMHO there is some expectation for parts of inland Devon and Cornwall to also join in the snowy fun over the coming hours.
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Primary concern now uplands W Somerset and Forest of Dean. Decent break now across many central areas extending west, but potential for more to follow later behind. I'm quite hopeful situation for main urban areas (e.g. Bristol) will now be largely improving, not least given wet snow story and vehicular traffic helping to clear it in next couple of hours before it all falls quieter. Morning rush might well be fine for these areas, but story over parts of Mendips Plateau and other uplands will be far less pretty for travellers. Next major issue will be into weekend as rapid thaw, with heavy rain too, conspires to bring flooding issues. Could get pretty bad for some (again). But at least the freeze gets swept-aside very readily, so the scope of transport/services disruption of late will ease.